JP7527356B2 - 黒鉛負極材料、負極、リチウムイオン電池及びその製造方法 - Google Patents

黒鉛負極材料、負極、リチウムイオン電池及びその製造方法 Download PDF

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JP7527356B2
JP7527356B2 JP2022518273A JP2022518273A JP7527356B2 JP 7527356 B2 JP7527356 B2 JP 7527356B2 JP 2022518273 A JP2022518273 A JP 2022518273A JP 2022518273 A JP2022518273 A JP 2022518273A JP 7527356 B2 JP7527356 B2 JP 7527356B2
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graphite
negative electrode
filler
pitch
natural
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JP2022551407A (ja
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海輝 周
良友 胡
修軍 潘
東東 李
殿臣 張
建国 任
雪琴 賀
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BTR New Material Group Co Ltd
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    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
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    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H—ELECTRICITY
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    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
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    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
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    • H01M2004/027—Negative electrodes
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    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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  • Engineering & Computer Science (AREA)
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  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
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JP2022518273A 2020-09-10 2021-09-09 黒鉛負極材料、負極、リチウムイオン電池及びその製造方法 Active JP7527356B2 (ja)

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Application Number Priority Date Filing Date Title
CN202010947255.4 2020-09-10
CN202010947255.4A CN114171738B (zh) 2020-09-10 2020-09-10 石墨负极材料及其制备方法和锂离子电池
PCT/CN2021/117482 WO2022052994A1 (zh) 2020-09-10 2021-09-09 石墨负极材料、负极和锂离子电池及其制备方法

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JP7527356B2 true JP7527356B2 (ja) 2024-08-02

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US (1) US20220393171A1 (de)
EP (1) EP4049971A4 (de)
JP (1) JP7527356B2 (de)
KR (1) KR102702607B1 (de)
CN (1) CN114171738B (de)
WO (1) WO2022052994A1 (de)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022197095A1 (ko) * 2021-03-16 2022-09-22 주식회사 엘지에너지솔루션 리튬 이차전지용 음극, 및 이를 구비하는 리튬 이차전지
CN114883544A (zh) * 2022-04-29 2022-08-09 岳阳耀宁新能源科技有限公司 一种长循环锂离子电池石墨负极材料的制备方法
CN114784282A (zh) * 2022-05-26 2022-07-22 湖北亿纬动力有限公司 一种负极材料及其制备方法和应用
US20250340437A1 (en) * 2022-06-24 2025-11-06 Shanghai Shanshan Tech Co., Ltd. A spherical silicon-based lithium storage material and a preparation method therefor
JP7749197B2 (ja) * 2022-11-16 2025-10-06 ▲開▼封瑞▲豊▼新材料有限公司 負極材料、電池
CN115719795B (zh) * 2022-11-24 2024-06-11 江苏正力新能电池技术有限公司 一种二次电池
CN119111001B (zh) * 2022-11-25 2026-01-13 宁德时代新能源科技股份有限公司 碳材料及其制备方法、以及含有其的二次电池和用电装置
KR102835795B1 (ko) * 2022-11-25 2025-07-22 컨템포러리 엠퍼렉스 테크놀로지 (홍콩) 리미티드 탄소 재료 및 그 제조 방법, 및 이를 함유하는 이차 전지와 전기 장치
JP2025519408A (ja) * 2022-11-25 2025-06-26 香港時代新能源科技有限公司 炭素材料及びその製造方法、並びにそれを用いた二次電池及び電力消費装置
KR102831510B1 (ko) * 2022-12-14 2025-07-09 (주)포스코퓨처엠 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지
US12371330B2 (en) * 2022-12-22 2025-07-29 Rivian Ip Holdings, Llc Graphene-based artificial graphite material
CN115706230B (zh) * 2022-12-28 2023-04-21 中创新航科技股份有限公司 一种复合石墨负极材料、负极片和锂离子电池
CN115881921B (zh) * 2022-12-30 2025-03-14 钠悦新能源(上海)有限公司 一种钠电池负极材料
CN119069694B (zh) * 2023-05-31 2025-10-17 比亚迪股份有限公司 负极活性材料及制备方法、负极和电池及用电装置
CN116979053A (zh) * 2023-06-30 2023-10-31 贝特瑞新材料集团股份有限公司 负极材料及其制备方法、锂离子电池
CN116914084A (zh) * 2023-09-13 2023-10-20 中创新航科技集团股份有限公司 一种负极及应用其的锂离子电池
CN117735543A (zh) * 2023-12-13 2024-03-22 湖北亿纬动力有限公司 一种锂离子电池负极石墨的回收方法、石墨与电池
CN119118117B (zh) * 2024-09-10 2025-07-01 江西正拓新能源科技股份有限公司 一种锂离子电池高容量包覆层复合石墨材料及制备方法
CN119490183A (zh) * 2024-11-27 2025-02-21 宁波杉杉新材料科技有限公司 改性石墨材料及其制备方法、应用和锂离子电池
CN119911900B (zh) * 2025-01-14 2025-12-02 南宁宸宇新能源科技有限公司 改性人造石墨负极活性材料及其制备和应用
CN119911894B (zh) * 2025-01-15 2025-11-25 中煤华利能源控股有限公司 一种煤基硬炭负极材料的制备方法及应用
CN120004647B (zh) * 2025-04-21 2025-07-18 山东红点新材料有限公司 一种孔隙可调的多孔石墨材料及其制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003128405A (ja) 2001-10-23 2003-05-08 Sec Corp 炭素複合粉体の製造方法
JP2014067680A (ja) 2012-09-27 2014-04-17 Mitsubishi Chemicals Corp 非水系二次電池用黒鉛粒子及び、それを用いた非水系二次電池用負極並びに非水系二次電池
JP2016085906A (ja) 2014-10-28 2016-05-19 Ｊｆｅケミカル株式会社 リチウムイオン二次電池負極材料用黒鉛質粒子、リチウムイオン二次電池負極およびリチウムイオン二次電池
CN111463416A (zh) 2020-04-14 2020-07-28 广东东岛新能源股份有限公司 一种低成本低膨胀率长循环天然石墨基复合材料及其制备方法与应用

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010095716A1 (ja) * 2009-02-20 2010-08-26 三菱化学株式会社 リチウムイオン二次電池用炭素材料
KR101459729B1 (ko) * 2012-12-27 2014-11-10 주식회사 포스코 흑연 복합재 및 그 제조 방법
JP6630071B2 (ja) * 2014-09-01 2020-01-15 Jsr株式会社 電極材料、電極及び蓄電デバイス
KR102640199B1 (ko) * 2016-06-22 2024-02-22 에스케이온 주식회사 리튬 이차 전지
CN106169584B (zh) * 2016-08-03 2019-06-07 深圳市贝特瑞新能源材料股份有限公司 改性的石墨负极材料、制备方法及锂离子电池
CN107403917A (zh) * 2017-07-25 2017-11-28 中南钻石有限公司 一种沥青浆料的制备及使用该浆料制备石墨负极的方法
CN107814382B (zh) * 2017-09-28 2019-12-10 广东东岛新能源股份有限公司 一种长寿命的改性的天然石墨负极材料及其制备方法和用途
CN107814383B (zh) * 2017-09-28 2020-01-14 广东东岛新能源股份有限公司 一种锂离子电池用改性微晶石墨负极材料及其制备方法和用途
CN108063229A (zh) * 2017-12-13 2018-05-22 深圳市贝特瑞新能源材料股份有限公司 天然石墨基改性复合材料、其制备方法及包含该改性复合材料的锂离子电池
CN108832091B (zh) * 2018-06-11 2022-10-11 贝特瑞新材料集团股份有限公司 一种长循环改性石墨基复合材料、其制备方法及包含该材料的锂离子电池
CN111320171B (zh) * 2018-12-17 2023-08-01 贝特瑞新材料集团股份有限公司 一种低膨胀石墨负极材料及其制备方法和锂离子电池
HUE073410T2 (hu) * 2019-01-14 2026-01-28 Lg Energy Solution Ltd Anód és az azt tartalmazó szekunder akkumulátor
HUE071866T2 (hu) * 2019-01-18 2025-09-28 Lg Energy Solution Ltd Negatív elektróda aktív anyag szekunder akkumulátorokhoz, eljárás annak elõállítására, negatív szekunder akkumulátorokhoz, és az azt tartalmazó lítium szekunder akkumulátor

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003128405A (ja) 2001-10-23 2003-05-08 Sec Corp 炭素複合粉体の製造方法
JP2014067680A (ja) 2012-09-27 2014-04-17 Mitsubishi Chemicals Corp 非水系二次電池用黒鉛粒子及び、それを用いた非水系二次電池用負極並びに非水系二次電池
JP2016085906A (ja) 2014-10-28 2016-05-19 Ｊｆｅケミカル株式会社 リチウムイオン二次電池負極材料用黒鉛質粒子、リチウムイオン二次電池負極およびリチウムイオン二次電池
CN111463416A (zh) 2020-04-14 2020-07-28 广东东岛新能源股份有限公司 一种低成本低膨胀率长循环天然石墨基复合材料及其制备方法与应用

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JP2022551407A (ja) 2022-12-09
CN114171738B (zh) 2023-11-17
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EP4049971A4 (de) 2023-05-03
KR20220053610A (ko) 2022-04-29
WO2022052994A1 (zh) 2022-03-17
EP4049971A1 (de) 2022-08-31
US20220393171A1 (en) 2022-12-08

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